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where P is pressure in kPa, and T is temperature in kelvins; A = 6.67956, B = 1002.711, C = 25.215 for T = 190 K through 333 K. Vapor over anhydrous ammonia [ 5 ]
Ammonia is commonly used in the illegal manufacture of methamphetamine through a Birch reduction. [123] The Birch method of making methamphetamine is dangerous because the alkali metal and liquid ammonia are both extremely reactive, and the temperature of liquid ammonia makes it susceptible to explosive boiling when reactants are added. [124]
A Assuming an altitude of 194 metres above mean sea level (the worldwide median altitude of human habitation), an indoor temperature of 23 °C, a dewpoint of 9 °C (40.85% relative humidity), and 760 mmHg sea level–corrected barometric pressure (molar water vapor content = 1.16%). B Calculated values *Derived data by calculation.
A 2022 Outside article on heat stroke cites the highest known body temperature that a human was able to survive: “The highest body temperature measured was only 17 degrees above normal. Willie ...
A new study finds that normal human body temperatures have dropped since the late 1800s. So what you think is normal may actually be a fever
The only mechanism the human body has to cool itself is by sweat evaporation. [5] Sweating occurs when the ambient air temperature is above 35 °C (95 °F) [dubious – discuss] and the body fails to return to the normal internal temperature. [18] The evaporation of the sweat helps cool the blood beneath the skin.
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In addition to varying throughout the day, normal body temperature may also differ as much as 0.5 °C (0.90 °F) from one day to the next, so that the highest or lowest temperatures on one day will not always exactly match the highest or lowest temperatures on the next day. Normal human body temperature varies slightly from person to person and ...